US5813815A - Dust and water proof apparatus for bulk carrier - Google Patents

Dust and water proof apparatus for bulk carrier Download PDF

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Publication number
US5813815A
US5813815A US08/970,705 US97070597A US5813815A US 5813815 A US5813815 A US 5813815A US 97070597 A US97070597 A US 97070597A US 5813815 A US5813815 A US 5813815A
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US
United States
Prior art keywords
frame member
walls
sensor unit
roller
sidewalls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US08/970,705
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English (en)
Inventor
Jin Fang
Andrew Lew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANG JOHNNY YUNG-PING
Original Assignee
CHANG JOHNNY YUNG-PING
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANG JOHNNY YUNG-PING filed Critical CHANG JOHNNY YUNG-PING
Priority to US08/970,705 priority Critical patent/US5813815A/en
Assigned to CHANG, JOHNNY YUNG-PING reassignment CHANG, JOHNNY YUNG-PING ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FANG, JIN, LEW, ANDREW
Application granted granted Critical
Publication of US5813815A publication Critical patent/US5813815A/en
Priority to CN98122458A priority patent/CN1219494A/zh
Priority to EP98309303A priority patent/EP0916572A3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
    • B63B17/02—Awnings, including rigid weather protection structures, e.g. sunroofs; Tarpaulins; Accessories for awnings or tarpaulins
    • B63B17/023—Hatchway tents, e.g. for weather protection of cargo during loading or unloading

Definitions

  • This invention relates to a dust and water proof apparatus, more particularly to a dust and water proof apparatus for a bulk carrier.
  • FIG. 1 is a schematic plan view showing how powdery cargoes 10 are unloaded from a bulk carrier 11 at a quay 14.
  • a generally vertical unloading rod member 120 of a conventional shore unloader 12 extends into a cargo hold 110 of the bulk carrier 11 via a cargo hatch 111 of the bulk carrier 11.
  • the unloading rod member 120 is operable, for example, via a suction approach, so as to deliver the powdery cargoes 10 therealong to a generally horizontal transporting rod member 121.
  • the transporting rod member 121 then delivers the powdery cargoes 10 to a silo room 13 at the quay 14 via other conveying equipments.
  • the dimension of the cargo hatch 111 is relatively large, air pollution may result from a gust of wind during the unloading operation.
  • the unloading operation must be temporarily stopped in the event of rainy weather, thereby increasing the costs incurred for the unloading operation.
  • the object of the present invention is to provide a dust and water proof apparatus for a bulk carrier which can prevent powdery cargoes from becoming wet when unloading during rainy weather, and which can prevent the powdery cargoes from polluting the air during the unloading operation.
  • a dust and water proof apparatus is adapted for use with a bulk carrier which has four hatch-defining walls that define a cargo hatch thereamong.
  • the apparatus includes: a rectangular first frame member having two opposed sidewalls and two opposed end walls which interconnect the sidewalls, each of the sidewalls and the end walls being adapted to be located on a respective one of the hatch-defining walls, each of the sidewalls being formed with an elongated roller-receiving groove that extends longitudinally between the opposed end walls; a rectangular second frame member disposed among the sidewalls and the end walls of the first frame members the second frame member having two opposed longer walls which are parallel to the end walls of the first frame member, and two opposed shorter walls which are parallel to the sidewalls of the first frame member, each of the shorter walls having at least two rollers which are mounted rotatably thereon and which extend into the roller-receiving groove of a corresponding one of the sidewalls of the first frame member so that the second frame member is movable relative to the first frame
  • FIG. 1 is a schematic view illustrating how powdery cargoes are unloaded from a bulk carrier using a conventional shore unloader
  • FIG. 2 is a schematic view illustrating a first frame member of a dust and water proof apparatus according to the present invention
  • FIG. 3 is a schematic view illustrating a second frame member of a dust and water proof apparatus according to the present invention.
  • FIG. 4 is a schematic view illustrating a third frame member of a dust and water proof apparatus according to the present invention.
  • FIG. 5 is a schematic view showing one of two flexible canopies of a first cover unit of a dust and water proof apparatus according to the present invention
  • FIG. 6 is a schematic view showing one of two flexible canopies of a second cover unit of a dust and water proof apparatus according to the present invention.
  • FIG. 7 is a schematic view illustrating the preferred embodiment of a dust and water proof apparatus according to the present invention.
  • FIG. 8 is an enlarged schematic view showing the arrangement of sensor units of the preferred embodiment
  • FIG. 9 is an enlarged schematic view illustrating a portion of the preferred embodiment.
  • FIG. 10 is an enlarged schematic view illustrating another portion of the preferred embodiment.
  • FIG. 11 is a schematic side view of the preferred embodiment during an unloading operation
  • FIG. 12 is another schematic side view of the preferred embodiment during an unloading operation.
  • FIG. 13 is a schematic top view illustrating the preferred embodiment during an unloading operation.
  • FIG. 7 the preferred embodiment of a dust and water proof apparatus for a bulk carrier according to the present invention is shown to include a rectangular first frame member 2, a rectangular second frame member 3, a rectangular third frame member 4, a first cover unit 5 and a second cover unit 6.
  • the rectangular first frame member 2 has two opposed sidewalls 20 and two opposed end walls 21 which interconnect the sidewalls 20.
  • each of the sidewalls 20 has an inner surface formed with an elongated roller-receiving groove 200 adjacent to the top of the sidewall 20.
  • Each of the sidewalls 20 and end walls 21 of the first frame member 2 is adapted to be located On one of the hatch-defining walls 8 which define a cargo hatch 110 of a bulk carrier.
  • a downwardly extending flange 201 is formed at the bottom of each of the sidewalls 20 and end walls 21 and abuts against the inner surface of the corresponding hatch-defining wall 8 so as to prevent relative movement between the first frame member 2 and the hatch-defining walls 8.
  • Each of the sidewalls 20 further has an elongated groove-defining plate 202 which is provided on the inner surface thereof above the downwardly extending flange 201 and which extends longitudinally between the opposed end walls 21.
  • the groove-defining plate 202 has a horizontal plate portion 2020 extending from the inner surface of the corresponding sidewall 20, and a vertical plate portion 2021 extending upwardly from the distal end of the horizontal plate portion 2020 so that a water-receiving groove 203 is formed among the inner surface of the sidewall 20, the horizontal plate portion 2020 and vertical plate portion 2021.
  • the second frame member 3 is disposed among the sidewalls 20 and end walls 21 of the first frame member 2, and has two opposed longer walls 30 which are parallel to the end walls 21 of the first frame member 2, and two opposed shorter walls 31 which are parallel to the sidewalls 20 of the first frame member 2 and which interconnect the longer walls 30.
  • At least two rollers 301 are mounted rotatably on an outer surface of each of the shorter walls 31 and extend rotatably into the roller-receiving groove 200 of a respective one of the sidewalls 20 of the first frame member 2 so that the second frame member 3 is movable relative to the first frame member 2 in a direction parallel to the sidewalls 20 of the first frame member 2.
  • a bi-directional driving motor 302 is provided on the top of one of the shorter walls 31 of the second frame member 3.
  • the driving motor 302 has a driving shaft 3020 on which a driving pulley 3021 is mounted.
  • a driving belt 3022 interconnects the driving pulley 3021 and the axle 3010 of one of the rollers 301 so that activation of the driving shaft 3020 of the driving motor 302 to rotate in either a clockwise direction or a counter-clockwise direction results in corresponding rotation of said one of the rollers 301, thereby moving the second frame member 3 relative to the first frame member 2.
  • Each of the longer walls 30 has an inner surface formed with an elongated roller-receiving groove 300, and a mounting plate 303 extending downwardly from the bottom thereof.
  • An elongated groove-defining plate 304 is provided on an inner surface of the mounting plate 303 of each of the longer walls 30.
  • the groove-defining plate 304 has a horizontal plate portion 3040 extending from the inner surface of the corresponding mounting plate 303, and a vertical plate portion 3041 extending upwardly from the distal end of the horizontal plate portion 3040 so that a water-receiving groove 3042 is formed among the horizontal plate portion 3040, the vertical plate portion 3041, and the inner surface of the mounting plate 303.
  • the third frame member 4 is disposed among the longer and shorter walls 30, 31 of the second frame member 3, and has two opposed roller-mounted walls 41 which are parallel to the longer walls 30 of the second frame member 3, and two opposed connecting walls 40 which are parallel to the shorter walls 31 of the second frame member 3 and which interconnect the roller-mounted walls 41.
  • At least two rollers 401 are mounted rotatably on an outer surface of each of the roller-mounted walls 41 and extend into the roller-receiving groove 300 of a respective one of the longer walls 30 of the second frame member 3 so that the third frame member 4 is movable relative to the second frame member 3 in a direction parallel to the longer walls 30.
  • a bi-directional driving motor 402 is provided on the top of one of the roller-mounted walls 41 of the third frame member 4.
  • the driving motor 402 has a driving shaft 4020 on which a driving pulley 4021 is mounted.
  • a driving belt 4022 interconnects the driving pulley 4021 and the axle 4010 of one of the rollers 401 so that activation of the driving shaft 4020 of the driving motor 402 to rotate in either a clockwise direction or a counter-clockwise direction result in corresponding rotation of said one of the rollers 401, thereby moving the third frame member 4 relative to the second frame member 3.
  • a first sensor unit is connected electrically to the driving motor 302, and includes a signal transmitter (t1) which is mounted on one of the connecting walls 40 of the third frame member 4 adjacent to one of the roller-mounted walls 41 of the third frame member 4 and which generates continuously a sensing signal, and a signal receiver (r1) which is mounted on the other one of the connecting walls 40 of the third frame member 4 at a position opposite to the signal transmitter (t1) of the first sensor unit and which receives the sensing signal from the signal transmitter (t1) of the first sensor unit.
  • the signal path between the signal transmitter (t1) and the signal receiver (r1) is indicated by a dotted line (a).
  • the driving shaft 3020 of the driving motor 302 is activated to rotate in a clockwise direction when reception of the sensing signal from the signal transmitter (t1) of the first sensor unit by the signal receiver (r1) of the same is interrupted.
  • a second sensor unit is also connected electrically to the driving motor 302.
  • the second sensor unit includes a signal transmitter (t2) which is mounted on the sate connecting wall 40 as the signal transmitter (t1) adjacent to the other one of the roller-mounted walls 41 of the third frame member 4 and which generates continuously a sensing signal, and a signal receiver (r2) which is mounted on the same connecting wall 40 as the signal receiver (r1) at a position opposite to the signal transmitter (t2) of the second sensor unit and which receives the sensing signal from the signal transmitter (t2) of the second sensor unit.
  • the signal path between the signal transmitter (t2) and the signal receiver (r2) is indicated by a dotted line (b).
  • the driving shaft 3020 of the driving motor 302 is activated to rotate in a counter-clockwise direction when reception of the sensing signal from the signal transmitter (t2) of the second sensor unit by the signal receiver (r2) of the same is interrupted.
  • a third sensor unit is connected electrically to the driving motor 402.
  • the third sensor unit includes a signal transmitter (t3) which is mounted on one of the roller-mounted walls 41 of the third frame member 4 adjacent to one of the connecting walls 40 of the third frame member 4 and which generates continuously a sensing signal, and a signal receiver (r3) which is mounted on the other one of the roller-mounted walls 41 of the third frame member 4 at a position opposite to the signal transmitter (t3) of the third sensor unit and which receives the sensing signal from the signal transmitter (t3) of the third sensor unit.
  • the signal path between the signal transmitter (t3) and the signal receiver (r3) is indicated by a dotted line (c).
  • the driving shaft 4020 of the driving motor 402 is activated to rotate in a clockwise direction when reception of the sensing signal from the signal transmitter (t3) of the third sensor unit by the signal receiver (r3) of the same is interrupted.
  • a fourth sensor unit is also connected electrically to the driving motor 402.
  • the second sensor unit includes a signal transmitter (t4) which is mounted on the same roller-mounted wall 41 as the signal transmitter (t3) adjacent to the other one of the connecting walls 40 of the third frame member 4 and which generates continuously a sensing signal, and a signal receiver (r4) which is mounted on the same roller-mounted wall 41 as the signal receiver (r3) at a position opposite to the signal transmitter (t4) of the fourth sensor unit and which receives the sensing signal from the signal transmitter (t4) of the fourth sensor unit.
  • the signal path between the signal transmitter (t4) and the signal receiver (r4) is indicated by a dotted line (d).
  • the driving shaft 4020 of the driving motor 402 is activated to rotate in a counter-clockwise direction when reception of the sensing signal from the signal transmitter (t4) of the fourth sensor unit by the signal receiver (r4) of the same is interrupted.
  • the first cover unit 5 includes a flexible first canopy 50 which is disposed among the sidewalls 20 or the first frame member 2, one of the longer walls 30 of the second frame member 3 and one of the end walls 21 of the first frame member 2, and a flexible second canopy 51 which is disposed among the sidewalls 20 of the first frame member 2, the other one of the longer walls 30 of the second frame member 3 and the other one of the end walls 21 of the first frame member 2.
  • Each of the first and second canopies 50, 51 of the first cover unit 5 has a first end portion connected to the corresponding end wall 21 of the first frame member 2, and a second end portion connected to the corresponding longer wall 30 of the second frame member 3.
  • the second end portion of the first canopy 50 of the first cover unit 5 is provided with a hook member 500 which is connected detachably to a complementary hook member 305 formed on the corresponding longer wall 30 of the second frame member 3.
  • Each of the canopies 50, 51 of the first cover unit 5 further has a plurality of equidistant rods 52 which are fixed thereto, such as by stitching, and which have opposite ends extending out of two sides of the canopy 50, 51.
  • Each of the rods 52 has a roller 520 which is mounted rotatably to each of the opposite ends thereof and which extends rotatably into the roller-receiving groove 200 of the first frame member 2.
  • the second cover unit 6 includes a flexible first canopy 60 which is disposed among the longer walls 30 of the second frame member 3, one of the shorter walls 31 of the second frame member 3 and one of the connecting walls 40 of the third frame member 4, and a flexible second canopy 61 which is disposed among the longer walls 30 of the second frame member 3, the other one of the shorter walls 31 of the second frame member 3 and the other one of the connecting walls 40 of the third frame member 4.
  • Each of the first and second canopies 60, 61 of the second cover unit 6 has a first end portion connected to the corresponding shorter wall 31 of the second frame member 3, and a second end portion connected to the corresponding connecting wall 40 of the third frame member 4.
  • Each of the canopies 60, 61 of the second cover unit 6 further has a plurality of equidistant rods 62 which are fixed thereto, for example, by stitching and which have opposite ends extending out of two sides of the canopy 60, 61.
  • Each of the rods 62 has a roller 620 which is mounted rotatably to each of the opposite ends thereof and which extends rotatably into the roller-receiving groove 300 of the second frame member 3.
  • a generally vertical unloading rod member 120 of a shore unloader extends into the cargo hold 110 of the bulk carrier via the third frame member 4, and is operated to deliver the powdery cargoes (not shown) therealong.
  • the rod member 120 can be driven to move so as to unload the powdery cargoes in every position of the cargo hold 110.
  • the driving shaft 3020, 4020 of the corresponding driving motor 302, 402 is activated to rotate in the clockwise direction or in the counter-clockwise direction, denpending on which signal path (a), (b), (c), (d) is blocked, thereby resulting in movement of a corresponding one of the second and third frame members 3 and 4 in order to prevent collision of the rod member 120 with the walls 40, 41 of the third frame member 4.
  • the driving shaft 3020 of the driving motor 302 is activated to rotate in a clockwise direction so as to move the second frame member 3 relative to the first frame member 2.
  • the rod member 120 of the shore unloader is able to extend to any position of the cargo hold 110 without being blocked by the third frame member 4.
  • water dropping out of the canopies 50, 51 and 60, 61 of the first and second cover units 5 and 6 via the two sides of the canopies 50, 51 and 60, 61 of the first and second cover units 5 and 6 can be received in the water-receiving groove 203, 3042 and discharged through a discharging hole (not shown).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Casings For Electric Apparatus (AREA)
  • Prevention Of Fouling (AREA)
  • Refuse-Collection Vehicles (AREA)
US08/970,705 1997-11-14 1997-11-14 Dust and water proof apparatus for bulk carrier Expired - Fee Related US5813815A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08/970,705 US5813815A (en) 1997-11-14 1997-11-14 Dust and water proof apparatus for bulk carrier
CN98122458A CN1219494A (zh) 1997-11-14 1998-11-12 船舱卸货用防水防尘装置
EP98309303A EP0916572A3 (de) 1997-11-14 1998-11-13 Staub- und wasserdichte Vorrichtung für ein Massengutschiff

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/970,705 US5813815A (en) 1997-11-14 1997-11-14 Dust and water proof apparatus for bulk carrier

Publications (1)

Publication Number Publication Date
US5813815A true US5813815A (en) 1998-09-29

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US08/970,705 Expired - Fee Related US5813815A (en) 1997-11-14 1997-11-14 Dust and water proof apparatus for bulk carrier

Country Status (3)

Country Link
US (1) US5813815A (de)
EP (1) EP0916572A3 (de)
CN (1) CN1219494A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6058557A (en) * 1998-01-30 2000-05-09 Holnam, Inc. Fugitive dust collector
JP3389459B2 (ja) 1997-07-10 2003-03-24 新日本製鐵株式会社 全天候型荷役岸壁設備および該設備を用いた荷役の積み下ろし方法
US20050028520A1 (en) * 2003-07-02 2005-02-10 Allan Chertok Free piston Stirling engine control
CN115923996A (zh) * 2022-12-07 2023-04-07 江苏尚源船艇制造有限公司 一种用于游艇制造的分区调节式遮阳装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019240129A1 (ja) * 2018-06-15 2019-12-19 Ｉｈｉ運搬機械株式会社 船積み用雨除け装置
JP2021042714A (ja) * 2019-09-11 2021-03-18 三菱重工業株式会社 ガスタービン
JP7015814B2 (ja) * 2019-09-24 2022-02-03 Ｉｈｉ運搬機械株式会社 船積み用防風雨装置
BR112020022555B1 (pt) * 2019-09-24 2023-04-18 Ihi Transport Machinery Co., Ltd Dispositivo protetor de chuva para embarque
WO2021059546A1 (ja) * 2019-09-24 2021-04-01 Ｉｈｉ運搬機械株式会社 船積み用雨除け装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843273A (en) * 1955-11-25 1958-07-15 Olof J Sanden Rain protecting device, especially for hatchways on ships
US3348705A (en) * 1965-07-02 1967-10-24 Harold H Yanow Weather tent for cargo hatches
DE3225349A1 (de) * 1982-07-07 1984-01-12 Kali-Transportgesellschaft m.b.H., 2000 Hamburg Wetter- und staubabdeckung fuer luken
US5322405A (en) * 1991-10-30 1994-06-21 Pacific Coast Cement Corporation Dust control system
US5662059A (en) * 1995-05-22 1997-09-02 Mannesmann Aktiengesellschaft Device for covering a ship's hatch or similar loading opening

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237809A (en) * 1979-03-02 1980-12-09 The Ohio River Company Cover for a barge
GB2234204B (en) * 1989-07-20 1993-01-20 Per Tybring Aralt Arrangements for unloading bulk material from holds of cargo vessels
NO175576C (no) * 1992-07-15 1994-11-02 Norsk Hydro As Beskyttelsesanordning for lager- eller lasterom

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843273A (en) * 1955-11-25 1958-07-15 Olof J Sanden Rain protecting device, especially for hatchways on ships
US3348705A (en) * 1965-07-02 1967-10-24 Harold H Yanow Weather tent for cargo hatches
DE3225349A1 (de) * 1982-07-07 1984-01-12 Kali-Transportgesellschaft m.b.H., 2000 Hamburg Wetter- und staubabdeckung fuer luken
US5322405A (en) * 1991-10-30 1994-06-21 Pacific Coast Cement Corporation Dust control system
US5662059A (en) * 1995-05-22 1997-09-02 Mannesmann Aktiengesellschaft Device for covering a ship's hatch or similar loading opening

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3389459B2 (ja) 1997-07-10 2003-03-24 新日本製鐵株式会社 全天候型荷役岸壁設備および該設備を用いた荷役の積み下ろし方法
US6058557A (en) * 1998-01-30 2000-05-09 Holnam, Inc. Fugitive dust collector
US20050028520A1 (en) * 2003-07-02 2005-02-10 Allan Chertok Free piston Stirling engine control
CN115923996A (zh) * 2022-12-07 2023-04-07 江苏尚源船艇制造有限公司 一种用于游艇制造的分区调节式遮阳装置
CN115923996B (zh) * 2022-12-07 2023-10-31 江苏尚源船艇制造有限公司 一种用于游艇制造的分区调节式遮阳装置

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Publication number Publication date
CN1219494A (zh) 1999-06-16
EP0916572A3 (de) 2001-09-05
EP0916572A2 (de) 1999-05-19

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Owner name: CHANG, JOHNNY YUNG-PING, CALIFORNIA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FANG, JIN;LEW, ANDREW;REEL/FRAME:008883/0201

Effective date: 19971108

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Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

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Effective date: 20020929